LibRegex: Allow null bytes in pattern

That check was rather pointless as the input is a StringView which knows
its own bounds.
Fixes #9686.

1 files changed, 1 insertions, 4 deletions

diff --git a/Userland/Libraries/LibRegex/RegexLexer.cpp b/Userland/Libraries/LibRegex/RegexLexer.cpp
index 69b2b4d345..671e2cb4fa 100644
--- a/Userland/Libraries/LibRegex/RegexLexer.cpp
+++ b/Userland/Libraries/LibRegex/RegexLexer.cpp
@@ -109,7 +109,7 @@ Token Lexer::next()
         }
     };
 
-    while (m_index <= m_input.length()) {
+    while (m_index < m_input.length()) {
         auto ch = peek();
         if (ch == '(')
             return emit_token(TokenType::LeftParen);
@@ -175,9 +175,6 @@ Token Lexer::next()
             }
         }
 
-        if (ch == '\0')
-            break;
-
         return emit_token(TokenType::Char);
     }